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STD 12 - 8. microbes in human welfare — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 8. microbes in human welfare1 Mark
MCQ
Leghaemoglobin occurs in
  • A
    Coralloid root
  • B
    $BGA$
  • ✓
    Around bacteriods
  • D
    Mycorrhiza
✓

Answer

Correct option: C.
Around bacteriods
c
(c)A root nodule has a growing point, vascular strand and reddish pigment leghaemoglobin but lacks root cap and root hair. Its central infection zone has large cells with groups of bacteriods covered by membrane lined by leghaemoglobin.

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